A coil component includes a body, an internal insulating layer disposed in the body, and a coil portion disposed on the internal insulating layer. The coil portion includes first and second coil patterns disposed on opposing surfaces of the internal insulating layer, respectively, first main and first auxiliary lead-out portions extending from the first coil pattern and respectively exposed to a front surface and one side surface of the body connected to each other, and second main and second auxiliary lead-out portions extending from the second coil pattern and respectively exposed to a rear surface and another side surface of the body connected to each other.